Maxim Integrated MAX6822TUK Microprocessor Supervisory Circuit

The Maxim Integrated MAX6822TUK is a highly reliable microprocessor (μP) supervisory circuit designed to monitor power supplies and microprocessor activity in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems with a 5V power supply voltage.

This supervisory circuit ensures that the microprocessor is reset to a known state during power-up, power-down, or brown-out conditions. The MAX6822TUK offers a variety of features that make it an essential component for any system requiring a high level of operational stability and security.

Key Features:

• Reset Output: The device generates a reset signal whenever the VCC supply voltage declines below the preset threshold, ensuring the μP starts in a known state.
• Manual Reset: A manual reset input allows for a system reset to be initiated by external hardware, providing additional system control.
• Watchdog Timer: The integrated watchdog timer keeps systems running smoothly by resetting the μP if it fails to strobe within a preset timeout period.
• Low Power Consumption: Designed for power-sensitive applications, the MAX6822TUK operates with low quiescent current, making it suitable for portable and battery-operated devices.
• Compact SOT23 Package: The device is available in a small, 5-pin SOT23 package, saving valuable board space in space-constrained applications.

Applications:

The Maxim Integrated MAX6822TUK is versatile and can be used in a broad range of applications, including:

• Computers and Controllers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Intelligent Instruments
• Automotive Systems

In summary, the MAX6822TUK from Maxim Integrated is an efficient and reliable solution for system monitoring and control. Its ability to ensure a stable and secure system operation through reset and watchdog functions, combined with its low power consumption and small footprint, make it an excellent choice for designers looking to enhance system integrity in their digital applications.